The present invention provides a multilayer tape for simultaneously providing shielding of electromagnetic interference (EMI) and evidence of tampering with an electronic device to which it is applied. The multilayer tape can be attached to an electronic device to cover a seam or other opening in the electronic device. An embossed surface provides evidence of the disruption of the tape, and the tape includes a conductive adhesive to provide EMI shielding. The multilayer tape is particularly useful for sealing the seams of a disk drive device.